Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Wei-Zhi Wu, Yee Leung, Ju-Sheng Mi. On characterizations of (::::I, J::::)-fuzzy rough approximation operators. Fuzzy Sets and Systems, 154(1):76-102, 2005. [doi]